Researchers discover ancient graffiti believed to belong to the powerful ancient Kush civilisation. >

His murals have transformed degraded and abandoned buildings into unique colourful spaces around the world >

This multimedia designer uses foliage as a paint brush. >

Remote controlled drones take graffiti to new heights. >

The Art for A Cause team say that donating money and resources is not enough. >

The startup turning air pollution into ink. >

Urban Art Workshops for Seniors is a programme that is putting spray cans in the hands of Lisbon's pensioners, who are now part of a group called Lata 65. >

Upgrading Africa’s largest slum has taken more than a decade, but the process is changing the conversation about how to handle informal urban neighbourhoods. >

Portuguese graffiti artist Alexandre Farto hammers his point home quite literally – with a drill, hammer and chisel. That’s when he’s not using explosives. >

A tour of the street art in Cape Town's neighbourhoods reveals some hidden artworks in the city. >